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RE: file permission error during make after source change

From: ckim
Subject: RE: file permission error during make after source change
Date: Tue, 26 Jan 2021 20:23:54 +0900

Thank you so much,
I'll use those methods.

Chan Kim

> -----Original Message-----
> From: Peter Maydell <peter.maydell@linaro.org>
> Sent: Tuesday, January 26, 2021 6:40 PM
> To: Chan Kim <ckim@etri.re.kr>
> Cc: qemu-discuss <qemu-discuss@nongnu.org>
> Subject: Re: file permission error during make after source change
> On Tue, 26 Jan 2021 at 02:48, <ckim@etri.re.kr> wrote:
> >
> > I found just ‘sudo make’ solves it…
> That's not ideal. (Probably the 'sudo make install' decided to rebuild
> some files, which then were owned by root so a non-root 'make'
> cannot overwrite them.)
> If you do a 'sudo make distclean' that should get rid of the root-owned
> files and you can do a normal 'make' as your own user.
> Some suggestions:
>  * you don't need to 'make install' to test changes, you can
>    just run the QEMU binaries directly from the build directory.
>    That means you can avoid doing anything as root while you're
>    developing.
>  * I recommend using a build directory, where you:
>      mkdir build
>      (cd build && ../configure [configure arguments here]
>      make -C build
>    and then QEMU will put its binaries and other files generated
>    during the build in build/ rather than in with the source files.
>    This means it's easy to just rm -rf build and get back to a
>    clean tree. (You can also have multiple build directories if
>    you want to build with more than one set of configure options.)
> thanks
> -- PMM

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